ICS840051 Datasheet, PDF (4/10 Pages) Integrated Circuit Systems – FEMTOCLOCK CRYSTAL-TOLVCMOS/LVTTL CLOCK GENERATOR

Integrated
Circuit
Systems, Inc.
ICS840051
FEMTOCLOCKS™ CRYSTAL-TO-
LVCMOS/LVTTL CLOCK GENERATOR
TABLE 6. AC CHARACTERISTICS, V_DD = V_DDA = 3.3V±5%, TA = 0°C TO 70°C
Symbol Parameter
Test Conditions
f
OUT
tjit(Ø)
Output Frequency
RMS Phase Jitter ( Random);
NOTE 1
155.52MHz, Integration Range:
1.875MHz - 20MHz
77.76MHz, Integration Range:
1.875MHz - 20MHz
t_R / t_F
odc
Output Rise/Fall Time
Output Duty Cycle
20% to 80%
NOTE 1: Please refer to the Phase Noise Plots.
Minimum Typical Maximum Units
70
170
MHz
0.48
ps
0.45
ps
200
500
ps
48
52
%
840051AG
www.icst.com/products/hiperclocks.html
4
REV. A JANUARY 14, 2005